Marvin Daniel Levy is an American former football coach and executive who was a head coach in the National Football League (NFL) for seventeen seasons. He spent most of his head coaching career with the Buffalo Bills, leading them from 1986 to 1997. Levy's first head coaching position was with the Montreal Alouettes of Canadian Football League (CFL) from 1973 to 1977, where he won two Grey Cup titles.

The Buffalo Bills are a professional American football team based in the Buffalo–Niagara Falls metropolitan area. The Bills compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) East division. The team plays its home games at Highmark Stadium in Orchard Park, New York.